The book is now available! 6648647
(just those submitted by Rivera)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Rivera': (Click here to show all)

+ 6648647 is a prime such that 6*648647+1, 66*48647+1, ... , 664864*7+1 are all prime numbers. Is it the largest with such property? Found by Adam Stinchcombe and Farideh Firoozbakht, 2003. [Rivera]




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